Section 6.6 Thermochemical Equations Relate the enthalpy change of a reaction to the mole ratios of reactants and products.
Thermochemical equations can be manipulated.
If the equation's molar coefficients are multiplied or divided by a factor, the value of enthalpy is also multiplied or divided by the same factor.
If the thermochemical equation is written in the opposite direction, the sign (+ or -) of the enthalpy change is reversed.
Section 6.7 Enthalpy as a State Function Enthalpy is a state function.
Define state function and show how how enthalpy is a state function using energy diagrams.
Section 6.7 Enthalpy as a State Function Enthalpy is a state function.
Define state function and show how how enthalpy is a state function using energy diagrams.
Lab Day: Thermochemical Equations and Hess's Law
No Homework Tonight
Wednesday, December 9, 2009
Periods B & G No Daily Quiz
Period B
Section 6.7 Enthalpy as a State Function Enthalpy is a state function.
Define state function and show how how enthalpy is a state function using energy diagrams.
Lab Day: Thermochemical Equations and Hess's Law
Period G
Hess's Law of Heat Summation
Practice Hess's law problems.
Go over pre-lab questions and post-lab calculations. Labs due on Friday.
Thursday, December 10, 2009
Periods B & G
Period B
Go over calculations associated with lab from yesterday. Review Hess's Law of Heat Summation.
Period G
Methods to Determine Enthalpy Change for Chemical Reactions
practice problems for Hess's law of heat summation
define standard enthalpy of formation of pure substances
use enthalpy summation of reactants and products to find the overall enthalpy change of a chemical reaction
Tonight's Homework:
P. 244
Do problems 63, 64, and 65
Friday, December 11, 2009
Periods B & G Daily Quiz # 4
This Weeks Lab Due Today !
Saturday, December 12, 2009
Period B
Standard Enthalpies of Formation
Define
Write equations for the standard formation of a compound from its elements.
Units of standard enthalpies is kJ/mole.
Relate standard enthalpies of formation to the standard enthalpy change of a chemical reaction.
No Homework for Monday
Chapter 6 Test next Tuesday. Study this weekend.
Honors Chemistry
B Period
G Period
B Period
G Lab
B Lab
G Period
B Period
B Period
G Period
B Period
G Period
G period
Monday, December 7, 2009
Periods B & GChapter 6
Section 6.6 Thermochemical EquationsRelate the enthalpy change of a reaction to the mole ratios of reactants and products.
Thermochemical equations can be manipulated.
Worksheet:
Here are the answers:
Section 6.7 Enthalpy as a State Function
Enthalpy is a state function.
Define state function and show how how enthalpy is a state function using energy diagrams.
Tonight's Homework:
P. 244
Do problems 57 - 60.
Tuesday, December 8, 2009
Period GDaily Quiz # 3
Section 6.7 Enthalpy as a State Function
Enthalpy is a state function.
Define state function and show how how enthalpy is a state function using energy diagrams.
Lab Day: Thermochemical Equations and Hess's Law
No Homework TonightWednesday, December 9, 2009
Periods B & GNo Daily Quiz
Period B
Section 6.7 Enthalpy as a State Function
Enthalpy is a state function.
Define state function and show how how enthalpy is a state function using energy diagrams.
Lab Day: Thermochemical Equations and Hess's Law
Period G
Hess's Law of Heat Summation
Practice Hess's law problems.
Go over pre-lab questions and post-lab calculations. Labs due on Friday.
Thursday, December 10, 2009
Periods B & GPeriod B
Go over calculations associated with lab from yesterday. Review Hess's Law of Heat Summation.Period G
Methods to Determine Enthalpy Change for Chemical ReactionsTonight's Homework:
P. 244
Do problems 63, 64, and 65
Friday, December 11, 2009
Periods B & GDaily Quiz # 4
This Weeks Lab Due Today !
Saturday, December 12, 2009
Period BStandard Enthalpies of Formation
No Homework for Monday
Chapter 6 Test next Tuesday. Study this weekend.